发布时间:2025-02-07 01:14:41
解:设1吨白灰块x元钱,
15%×234+85%x=295.1
0.15×234+0.85x=295.1
35.1+0.85x=295.1
0.85x=295.1-35.1
0.85x=260
x=260÷0.85
x≈305.88
答:1吨白灰块305.88元钱。
这个书架的台面和隔板是用的大理石吗施工的过程是怎样的呀柜体可以用哪些材料呢
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